Base | Representation |
---|---|
bin | 1011111110011000… |
… | …00010110000100000 |
3 | 121121000222102212200 |
4 | 11333030002300200 |
5 | 101131240041002 |
6 | 2541532053200 |
7 | 315212105541 |
oct | 57714026040 |
9 | 17530872780 |
10 | 6428830752 |
11 | 27a99a8773 |
12 | 12b5004200 |
13 | 7b5b93086 |
14 | 44db5a4c8 |
15 | 2795e3b1c |
hex | 17f302c20 |
6428830752 has 72 divisors (see below), whose sum is σ = 18539539200. Its totient is φ = 2112754560.
The previous prime is 6428830711. The next prime is 6428830753. The reversal of 6428830752 is 2570388246.
6428830752 is a `hidden beast` number, since 64 + 288 + 307 + 5 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a junction number, because it is equal to n+sod(n) for n = 6428830698 and 6428830707.
It is not an unprimeable number, because it can be changed into a prime (6428830753) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136752 + ... + 177647.
It is an arithmetic number, because the mean of its divisors is an integer number (257493600).
Almost surely, 26428830752 is an apocalyptic number.
It is an amenable number.
6428830752 is an abundant number, since it is smaller than the sum of its proper divisors (12110708448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6428830752 is a wasteful number, since it uses less digits than its factorization.
6428830752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314486 (or 314475 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The square root of 6428830752 is about 80179.9897231223. The cubic root of 6428830752 is about 1859.4192845464.
The spelling of 6428830752 in words is "six billion, four hundred twenty-eight million, eight hundred thirty thousand, seven hundred fifty-two".
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